Home / 112,898.25-155,804.45-67,567.61

Finding the Fourth Proportional to 112,898.25, 155,804.45 and 67,567.61

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Solution

The fourth proportional to 112,898.25, 155,804.45 and 67,567.61 is: 93,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,898.25 : 155,804.45 = 67,567.61 : x
  2. Step 2: Convert to fraction form
    112,898.25/155,804.45 = 67,567.61/x
  3. Step 3: Cross multiply
    112,898.25x = 155,804.45 × 67,567.61
  4. Step 4: Simplify right side
    112,898.25x = 10,527,334,365.54
  5. Step 5: Solve for x
    x = 10,527,334,365.54/112,898.25
  6. Step 6: Final answer
    x = 93,246.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.